Can Shih Tzus Eat Onions?
Onions are toxic to dogs in all forms — raw, cooked, powdered, or dehydrated. They contain compounds that damage red blood cells and can cause hemolytic anemia.
🐕 Shih Tzu-Specific Guidance
No amount of onions is safe for Shih Tzus or any dog breed.
Nutrition Notes
Contains N-propyl disulfide and thiosulfate, which are toxic to dogs and cause oxidative damage to red blood cells.
Serving Guidance
No safe amount. All parts of the onion plant are toxic, including the flesh, leaves, juice, and processed powders. Check ingredient labels on human food.
Risks to Know
Can cause lethargy, weakness, decreased appetite, pale gums, fainting, reddish urine, and hemolytic anemia. Symptoms may be delayed 1–5 days after ingestion.
Emergency Contact
If your Shih Tzu has eaten onions, contact your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 immediately.
🐕 Shih Tzu Feeding Guide
Complete nutrition guide for Shih Tzus
📋 Full Onions Safety Guide
Detailed safety info for all dog breeds
Sources: ASPCA Animal Poison Control • Merck Veterinary Manual